Assignee
CCCC SECOND HIGHWAY CONSULTANTS CO LTD
CN·2 granted patents·2 pending applications·0 citations·filing 2020–2025
Top patents by PatentIndex Score
4 records- 0154US12473718B1Intelligent rainwater regulation and storage system based on mid-layer water intakeCCCC SECOND HIGHWAY CONSULTANTS CO LTD·Filed 2025·Granted Nov 18, 2025·0 cites·9 claims
- 0245US2025263982A1Tunnel drainage method for laying drainage pipe based on ultra-long distance horizontal directional drillingCCCC SECOND HIGHWAY CONSULTANTS CO LTD·Filed 2025·Application pending·0 cites
- 0344US2025146415A1Prefabricated tunnel prestressed anchor and manufacturing method and use method thereforCCCC SECOND HIGHWAY CONSULTANTS CO LTD·Filed 2025·Application pending·0 cites
- 0432US11753937B2Ultra-long tunnel sewage disposal, separation and drainage structure suitable for cold regionsCCCC SECOND HIGHWAY CONSULTANTS CO LTD·Filed 2020·Granted Sep 12, 2023·0 cites·9 claims
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